ORIG3N DNA of a Play: Breaking Down Mullen's Standout NFL Debut

Samuel broke down his 30-yard touchdown run in the 49ers Week 17 victory over the Seattle Seahawks.

Williams reviewed some of his cornerback-leading four forced fumbles during his 2019 campiagn.

McGlinchey analyzed Kyle Juszczyk and Raheem Mostert's touchdown plays during the team's Week 15 matchup against the Atlanta Falcons.

Staley analyzed a few of the offense's best plays from the team's 48-46 victory over the New Orleans Saints.

Mostert analyzes a few of the runs from his breakout performance against the Baltimore Ravens.

Warner analyzed the defense's best plays from the Week 12 "Sunday Night Football" matchup against the Green Bay Packers. You can vote the 49ers defense into the Pro Bowl at 49rs.co/probowlvote20.

Richburg analyzes the 49ers big plays in the team's 36-26 victory over the Cardinals in Week 11.

Buckner analyzed the defense's best plays from the Week 10 "Monday Night Football" matchup against the Seattle Seahawks.

Dwelley broke down his game sealing catch against the Arizona Cardinals in Week 9 and his diving grab against the Washington Redskins in ORIG3N DNA of a Play.

Greg Papa analyzed the Week 8 marquee moments by the 49ers in ORIG3N DNA of a Play.

Laken Tomlinson analyzed the explosive plays by the 49ers offense and the team celebration in this week's ORIG3N DNA of a Play.

Jimmie Ward analyzes the defense's strong performance against the Los Angeles Rams in Week 6 in this ORIG3N DNA of a Play.

Nick Bosa broke down his dual-sack game against the Cleveland Browns in Week 5 in this ORIG3N DNA of a Play.

Kyle Juszczyk analyzes his game against the Pittsburgh Steelers in Week 3 in this ORIG3N DNA of a Play.

Raheem Mostert breaks down his receiving touchdown in the 49ers Week 2 victory over the Cincinnati Bengals in this ORIG3N DNA of a Play.

Tim Ryan breaks down the 49ers strong defensive performance to open the season in this ORIG3N DNA of a Play.

Tim Ryan analyzes Alexander's game against Cincinnati and what the linebacker has brought to the 49ers defense in 2019.

Tim Ryan breaks down how the 49ers were able to come away with two much-needed takeaways against the Bears.

Tim Ryan breaks down the plays the helped the 49ers beat the Seahawks in Week 15.

Tim Ryan breaks down how Kittle was able to feast against the Denver defense to the tune of 210 yards and one touchdown.

Tim Ryan breaks down Dante Pettis' strong performance for the second straight week.

Tim Ryan breaks down what Dante Pettis did well against the Bucs in Week 12.

Tim Ryan breaks down Matt Breida's growth as a receiver out of the backfield.

Tim Ryan breaks down what Nick Mullens did well in his NFL debut against the Oakland Raiders.

Tim Ryan breaks down a trio of highlights from the defense's performance in Week 8.